Monkeytype Vulnerable to Self-XSS on loading saved custom text (monkeytypegame monkeytype)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.25 % · percentile 17 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- GitHub_M
- NVD status
- Analyzed
Description
Monkeytype is a minimalistic and customizable typing test. In versions 25.36.0 and prior, improper handling of user input when loading a saved custom text results in XSS. This issue has been fixed in version 25.44.0.
Weaknesses (CWE)
- CWE-79 — Improper Neutralization of Input During Web Page Generation
References
- https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w
- https://github.com/monkeytypegame/monkeytype/commit/42f6a16c6255d66cbb2be279131454866d98f2c9
- https://github.com/monkeytypegame/monkeytype/commit/f025b121cbe437e29de432b4aa72e0de22c755b7
- https://github.com/monkeytypegame/monkeytype/releases/tag/v25.44.0
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 4.0 | LOW 2.4 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N | GitHub_M |
| CVSS 4.0 | LOW 2.4 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD · security-advisories@github.com (Secondary) |
| CVSS 3.1 | MEDIUM 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2025-31098
- GCVE · GCVE-0-2025-59838
Affected configurations (NVD CPE)
cpe:2.3:a:monkeytype:monkeytype:*:*:*:*:*:*:*:*< 25.44.0
Affected products
| Product | Versions |
|---|---|
| monkeytypegame · monkeytype | affected < 25.44.0 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |